IAAI CFI EXAM BANK 2026 | ACCURATE CURRENTLY TESTING
EXAM VERSIONS WITH REAL EXAM QUESTIONS AND ANSWERS
WITH RATIONALES AND A STUDY GUIDE | EXPERT VERIFIED FOR
GUARANTEED PASS
A liquid with a flash point ABOVE 100F - ANSWER - Combustible Liquid
If the current flowing out from an electrical panel is 12.5 amps, and it then flows
through an electrical load of 1500 watts, what is the amperage of the remaining
current flow of the return circuit? - ANSWER - Current Flow
Power (P) = current (I) x voltage (V) - ANSWER - Power (P)
Watts = amps x volts - ANSWER - Watts
1987 - ANSWER - Year of NFPA 1033 First Edition
1.5 times the distance from the furthest debris - ANSWER - Recommended
Distance for Securing Blast Scene
1100°F - ANSWER - Onset of Flashover Temperature
1960°F - ANSWER - Copper Melting Temperature
2 W/cm2 indicates the onset of flashover - ANSWER - Radiant Heat Flux
Measurement
1|Pa ge
,240 volts between the two hot wires in most single-family residences in the United
States - ANSWER - Voltage at Service Entrance Cables
3 years - ANSWER - NFPA 921 Revision Cycle
350°F - ANSWER - Flash Point of Power Steering Fluid
35-70 p.s.i. - ANSWER - Typical Pressure in High-Pressure Fuel-Injected Vehicles
5 and 17 - ANSWER - Lower and Upper Explosive Limit of Natural Gas
680°F - ANSWER - Ignition Temperature of Power Steering Fluid
Any substance that can undergo combustion - ANSWER - Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. - ANSWER - Act or Omission
A law that may govern the fire investigation of a boat - ANSWER - Admiralty
Law
A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring - ANSWER - After-market Equipment
Evidence of smoke or soot in the lungs, bronchi, and trachea is one of the most
significant factors in confirming that, at the time of the fire, the victim was alive. -
ANSWER - Alive and Breathing
2|Pa ge
,Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene - ANSWER - All Team Members
1220°F - ANSWER - Melting Temperature of Aluminum
Considered a competent ignition source. - ANSWER - Aluminum-to-pavement
sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT? - ANSWER - Heat Release Rate
What does the term AFCI stand for? And, the 'A' specifically represents what? -
ANSWER - Arc-fault circuit interrupter
The organization that develops standard methods for testing materials. - ANSWER
- ASTM
Initiation of combustion by heat but without a spark or flame. - ANSWER - Auto-
ignition
A deflagration resulting from the sudden introduction of air into a confined space
containing oxygen-deficient products of incomplete combustion. - ANSWER -
Backdraft
A boat device that owners fail to keep clean, which is a frequent cause of engine
compartment fires on boats. - ANSWER - Backfire Flame Arrestor
3|Pa ge
, A device on a fluorescent light fixture that transforms the voltage from normal
household voltage to a higher voltage. - ANSWER - Ballast
The starter motor draws its energy from this source. - ANSWER - Battery
The burden of proof in a criminal trial. - ANSWER - Beyond a Reasonable Doubt
The component that controls temperature in many heat-producing appliances. -
ANSWER - Bimetallic Thermostats
This may occur when the vapor pressure of a liquid exceeds atmospheric pressure.
- ANSWER - BLEVE
The temperature or point at which the vapor pressure of a liquid equals the external
pressure applied. - ANSWER - Boiling Point
The process of electrically connecting two or more conductive objects. - ANSWER
- Bonding
Most engine fires typically penetrate the interior compartment at this location of
the vehicle. - ANSWER - Bottom Passenger Side of the Windshield
An investigator can closely examine this component of a cord to determine if it
was plugged into a receptacle. - ANSWER - Brass Prongs (male ends)
The chemical and physical changes that occur in gypsum wallboard surfaces
during a fire. - ANSWER - Calcination
4|Pa ge
EXAM VERSIONS WITH REAL EXAM QUESTIONS AND ANSWERS
WITH RATIONALES AND A STUDY GUIDE | EXPERT VERIFIED FOR
GUARANTEED PASS
A liquid with a flash point ABOVE 100F - ANSWER - Combustible Liquid
If the current flowing out from an electrical panel is 12.5 amps, and it then flows
through an electrical load of 1500 watts, what is the amperage of the remaining
current flow of the return circuit? - ANSWER - Current Flow
Power (P) = current (I) x voltage (V) - ANSWER - Power (P)
Watts = amps x volts - ANSWER - Watts
1987 - ANSWER - Year of NFPA 1033 First Edition
1.5 times the distance from the furthest debris - ANSWER - Recommended
Distance for Securing Blast Scene
1100°F - ANSWER - Onset of Flashover Temperature
1960°F - ANSWER - Copper Melting Temperature
2 W/cm2 indicates the onset of flashover - ANSWER - Radiant Heat Flux
Measurement
1|Pa ge
,240 volts between the two hot wires in most single-family residences in the United
States - ANSWER - Voltage at Service Entrance Cables
3 years - ANSWER - NFPA 921 Revision Cycle
350°F - ANSWER - Flash Point of Power Steering Fluid
35-70 p.s.i. - ANSWER - Typical Pressure in High-Pressure Fuel-Injected Vehicles
5 and 17 - ANSWER - Lower and Upper Explosive Limit of Natural Gas
680°F - ANSWER - Ignition Temperature of Power Steering Fluid
Any substance that can undergo combustion - ANSWER - Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. - ANSWER - Act or Omission
A law that may govern the fire investigation of a boat - ANSWER - Admiralty
Law
A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring - ANSWER - After-market Equipment
Evidence of smoke or soot in the lungs, bronchi, and trachea is one of the most
significant factors in confirming that, at the time of the fire, the victim was alive. -
ANSWER - Alive and Breathing
2|Pa ge
,Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene - ANSWER - All Team Members
1220°F - ANSWER - Melting Temperature of Aluminum
Considered a competent ignition source. - ANSWER - Aluminum-to-pavement
sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT? - ANSWER - Heat Release Rate
What does the term AFCI stand for? And, the 'A' specifically represents what? -
ANSWER - Arc-fault circuit interrupter
The organization that develops standard methods for testing materials. - ANSWER
- ASTM
Initiation of combustion by heat but without a spark or flame. - ANSWER - Auto-
ignition
A deflagration resulting from the sudden introduction of air into a confined space
containing oxygen-deficient products of incomplete combustion. - ANSWER -
Backdraft
A boat device that owners fail to keep clean, which is a frequent cause of engine
compartment fires on boats. - ANSWER - Backfire Flame Arrestor
3|Pa ge
, A device on a fluorescent light fixture that transforms the voltage from normal
household voltage to a higher voltage. - ANSWER - Ballast
The starter motor draws its energy from this source. - ANSWER - Battery
The burden of proof in a criminal trial. - ANSWER - Beyond a Reasonable Doubt
The component that controls temperature in many heat-producing appliances. -
ANSWER - Bimetallic Thermostats
This may occur when the vapor pressure of a liquid exceeds atmospheric pressure.
- ANSWER - BLEVE
The temperature or point at which the vapor pressure of a liquid equals the external
pressure applied. - ANSWER - Boiling Point
The process of electrically connecting two or more conductive objects. - ANSWER
- Bonding
Most engine fires typically penetrate the interior compartment at this location of
the vehicle. - ANSWER - Bottom Passenger Side of the Windshield
An investigator can closely examine this component of a cord to determine if it
was plugged into a receptacle. - ANSWER - Brass Prongs (male ends)
The chemical and physical changes that occur in gypsum wallboard surfaces
during a fire. - ANSWER - Calcination
4|Pa ge
